Explain me what are the limits of Ruby on Rails?

Submitted by: Muhammad
Ruby on Rails has been designed for creating a CRUD web application using MVC. This might make Rails not useful for other programmers. Some of the features that Rails does not support include

☛ Foreign key in databases
☛ Linking to multiple data-base at once
☛ Soap web services
☛ Connection to multiple data-base servers at once
Submitted by: Muhammad

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